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Cheng Q, Yang Y, Li F, Li X, Qin L, Huang W. Dual-Energy Computed Tomography Iodine Maps: Application in the Diagnosis of Periprosthetic Joint Infection in Total Hip Arthroplasty. J Arthroplasty 2024:S0883-5403(24)00811-8. [PMID: 39128781 DOI: 10.1016/j.arth.2024.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 07/31/2024] [Accepted: 08/05/2024] [Indexed: 08/13/2024] Open
Abstract
BACKGROUND The challenge of early and rapid diagnosis of periprosthetic joint infection (PJI) remains important. This study aimed to assess the efficacy of dual-energy computed tomography (CT) (DECT) iodine maps for diagnosing PJI in total hip arthroplasty. METHODS We prospectively enrolled 68 patients who had postoperative joint pain after hip arthroplasty. All patients underwent preoperative DECT iodine imaging to quantify iodine concentration (IC) in periprosthetic tissues during arterial and venous phases. The diagnostic efficacy of DECT iodine maps was evaluated by constructing receiver operating characteristic (ROC) curves according to the Musculoskeletal Infection Society criteria. RESULTS Compared with erythrocyte sedimentation rate (Area Under the Curve (AUC) = 0.837), polymorphonuclear cell percentage (AUC = 0.703), and C-reactive protein (AUC = 0.837), periprosthetic tissue venous-phase iodine concentration (IC) (AUC = 0.970) and arterial-phase IC (AUC = 0.964) exhibited outstanding discriminative capability between PJI and aseptic failure. The PJI cut-off point was venous IC = 1.225 mg/ml, with a sensitivity of 92.31% and specificity of 90.48%; for arterial IC = 1.065 mg/ml, the sensitivity was 96.15%, and a specificity was 90.70%. CONCLUSION This study demonstrates the great potential of DECT iodine maps for the diagnosis of PJI around hip arthroplasty, which helps to differentiate between periprosthetic infection and aseptic failure after hip arthroplasty.
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Affiliation(s)
- Qiang Cheng
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yaji Yang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Feilong Li
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China; Department of Orthopaedics, The People's Hospital of Dazu, Chongqing, China
| | | | - Leilei Qin
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Wei Huang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Mu W, Ji B, Cao L. Single-stage revision for chronic periprosthetic joint infection after knee and hip arthroplasties: indications and treatments. ARTHROPLASTY 2023; 5:11. [PMID: 36864484 PMCID: PMC9979399 DOI: 10.1186/s42836-023-00168-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 01/16/2023] [Indexed: 03/04/2023] Open
Abstract
Single-stage revision for chronic periprosthetic joint infection has been introduced 40 years ago. This option is gaining more and more attention as well as popularity. It is a reliable treatment for the chronic periprosthetic joint infection after knee and hip arthroplasties when implemented by an experienced multi-disciplinary team. However, its indications and corresponding treatments remain controversial. This review focused on the indications and specific treatments related to the option, with an attempt to help surgeons to use this method with more favorable outcomes.
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Affiliation(s)
- Wenbo Mu
- grid.412631.3Department of Orthopedics, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830011 Xinjiang China ,grid.13394.3c0000 0004 1799 3993Department of Pharmacognosy, School of Pharmacy, Xinjiang Medical University, Urumqi, 830011 Xinjiang China
| | - Baochao Ji
- grid.412631.3Department of Orthopedics, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830011 Xinjiang China
| | - Li Cao
- Department of Orthopedics, the First Affiliated Hospital of Xinjiang Medical University, Urumqi, 830011, Xinjiang, China.
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Niemann M, Otto E, Braun KF, Graef F, Ahmad SS, Hardt S, Stöckle U, Trampuz A, Meller S. Microbiological Advantages of Open Incisional Biopsies for the Diagnosis of Suspected Periprosthetic Joint Infections. J Clin Med 2022; 11:jcm11102730. [PMID: 35628857 PMCID: PMC9143629 DOI: 10.3390/jcm11102730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/27/2022] [Accepted: 05/03/2022] [Indexed: 02/01/2023] Open
Abstract
Background: Periprosthetic joint infection (PJI) represents a serious complication following total hip (THA) and knee arthroplasty (TKA). When preoperative synovial fluid cultures remain inconclusive, open incisional joint biopsy (OIB) can support causative microorganism identification. Objective: This study investigates the potential benefit of OIB in THA and TKA patients with suspected PJI and ambigious diagnostic results following synovial fluid aspiration. Methods: We retrospectively assessed all patients treated from 2016 to 2020 with suspected PJI. Comparing the microbiology of OIB and the following revision surgery, we calculated sensitivity, specificity, positive predictive value (PPV), negative predictive value (NPV), and the number needed to treat (NNT). Results: We examined the diagnostic validity of OIB in 38 patients (20 female) with a median age of 66.5 years. In THA patients (n = 10), sensitivity was 75%, specificity was 66.67%, PPV was 60%, NPV was 80%, and NNT was 2.5. In TKA patients (n = 28), sensitivity was 62.5%, specificity was 95.24%, PPV was 83.33%, NPV was 86.96%, and NNT was 1.42. Conclusions: Our results indicate that OIB represents an adequate diagnostic tool when previously assessed microbiological results remain inconclusive. Particularly in TKA patients, OIB showed an exceptionally high specificity, PPV, and NPV, whereas the predictive validity of the diagnosis of PJI in THA patients remained low.
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Affiliation(s)
- Marcel Niemann
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
- Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
- Correspondence: ; Tel.: +49-30-450-652-256; Fax: +49-30-450-552-901
| | - Ellen Otto
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
- Julius Wolff Institute for Biomechanics and Musculoskeletal Regeneration, Berlin Institute of Health at Charité—Universitätsmedizin Berlin, 13353 Berlin, Germany
| | - Karl F. Braun
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
- Department of Trauma Surgery, University Hospital Rechts der Isar, Technical University of Munich, 80333 Munich, Germany
| | - Frank Graef
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
| | - Sufian S. Ahmad
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
- Department of Orthopedic Surgery, Hannover Medical School, 30625 Hannover, Germany
| | - Sebastian Hardt
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
| | - Ulrich Stöckle
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
| | - Andrej Trampuz
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
| | - Sebastian Meller
- Center for Musculoskeletal Surgery, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, 13353 Berlin, Germany; (E.O.); (K.F.B.); (F.G.); (S.S.A.); (S.H.); (U.S.); (A.T.); (S.M.)
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